This document describes a depalletization device (1) that is able to disassemble a pallet (2) that is made up of at least a number of layers (3), comprising: a loading/unloading device (6), which is able to separate and extract a layer (3) from the pallet (2); a first conveyor (7) that can be supplied with the layer (3) that is separated from the pallet (2) and is able to move the layer (3) forward; the depalletization device (1) also comprises: a second conveyor (10), which can be fed from the first conveyor (7) with an entire layer (3); a pair of third conveyors (11a, 11b) that are able to receive, one or the other alternatingly, the entire layer (3); and actuator means (14) that can be controlled to transfer the entire layer (3) from the second conveyor (10) to either of the third conveyors (11a, 11b).